Export Toplevel to KWin::Scripts

Without the scripting system is not able to handle signals defined on
Toplevel instead of Client.

REVIEW: 108807

scripting/meta.cpp

@@ -110,6 +110,20 @@ void Client::fromScriptValue(const QScriptValue &value, KWin::Client* &client)
     client = qobject_cast<KWin::Client*>(value.toQObject());
 }
 
+QScriptValue Toplevel::toScriptValue(QScriptEngine *eng, const KToplevelRef &client)
+{
+    return eng->newQObject(client, QScriptEngine::QtOwnership,
+                           QScriptEngine::ExcludeChildObjects |
+                           QScriptEngine::ExcludeDeleteLater |
+                           QScriptEngine::PreferExistingWrapperObject |
+                           QScriptEngine::AutoCreateDynamicProperties);
+}
+
+void Toplevel::fromScriptValue(const QScriptValue &value, KToplevelRef &client)
+{
+    client = qobject_cast<KWin::Toplevel*>(value.toQObject());
+}
+
 // Other helper functions
 void KWin::MetaScripting::registration(QScriptEngine* eng)
 {
@@ -117,6 +131,7 @@ void KWin::MetaScripting::registration(QScriptEngine* eng)
     qScriptRegisterMetaType<QSize>(eng, Size::toScriptValue, Size::fromScriptValue);
     qScriptRegisterMetaType<QRect>(eng, Rect::toScriptValue, Rect::fromScriptValue);
     qScriptRegisterMetaType<KClientRef>(eng, Client::toScriptValue, Client::fromScriptValue);
+    qScriptRegisterMetaType<KToplevelRef>(eng, Toplevel::toScriptValue, Toplevel::fromScriptValue);
 
     qScriptRegisterSequenceMetaType<QStringList>(eng);
     qScriptRegisterSequenceMetaType< QList<KWin::Client*> >(eng);

scripting/meta.h

@@ -31,9 +31,11 @@ class QSize;
 
 namespace KWin {
 class Client;
+class Toplevel;
 }
 
 typedef KWin::Client* KClientRef;
+typedef KWin::Toplevel* KToplevelRef;
 
 namespace KWin
 {
@@ -79,6 +81,12 @@ QScriptValue toScriptValue(QScriptEngine *eng, const KClientRef &client);
 void fromScriptValue(const QScriptValue &value, KClientRef& client);
 }
 
+namespace Toplevel
+{
+QScriptValue toScriptValue(QScriptEngine *eng, const KToplevelRef &client);
+void fromScriptValue(const QScriptValue &value, KToplevelRef& client);
+}
+
 /**
   * Merges the second QScriptValue in the first one.
   */

toplevel.h

@@ -661,5 +661,6 @@ KWIN_COMPARE_PREDICATE(WindowMatchPredicate, Toplevel, Window, cl->window() == v
 KWIN_COMPARE_PREDICATE(FrameIdMatchPredicate, Toplevel, Window, cl->frameId() == value);
 
 } // namespace
+Q_DECLARE_METATYPE(KWin::Toplevel*)
 
 #endif